I sell software consulting services - a very saturated market. I bought access to a SaaS/database of companies and key management phone numbers, identified which companies use technologies I can offer from their job posts etc, and started calling. Many declined, many were rude to me, but at the end I found one that needed immediate help I could offer.

Offer solutions to problems, not products. Don't talk about all your features - ask them whether they have the problem you're solving and tell them about your solution. You'll have to get creative to get them talking - model situations, past successes and case studies of your other clients... Don't try to milk them - just set a fair price and be open about it, people don't like feeling you're going to take advantage of them. Build rapport, friendship and trust.

Check out how Michael Scott sells. I'm doing it just like him, it really works: https://www.youtube.com/watch?v=vYWwfdb2A88